2. Electrician is to learn electrical knowledge, electrical foundation, at least understand electrical wiring diagram, and have a little understanding of elevator control system.

3. fitter, this is actually more difficult. You need to know the overall structure of the elevator. The elevator company's things are different and the installation method is slightly different. Tree guide rail, trolley assembly, main engine installation, wire rope installation and door installation are all very complicated.

4. A small boss should know everything, generally accumulated from the grassroots.

College students personally think that you may not be suitable for this kind of work. It's really too hard.

6. I used to be engaged in elevator debugging. Relax, you can develop like this.

7. I don't know what your major is in college. Also, is your ambition to be a wage earner or a boss?

8. If you want to be a boss, you should have a good relationship with the engineering department of the elevator company in addition to your professional knowledge. ...